Upon the conclusion of the evidentiary hearing, no other evidence or testimony shall be permitted unless the record is held open by the Commission for the receipt of additional material specifically designated. The Commission may reopen the record for further proceedings at any time prior to decision upon provision of appropriate notice to parties and other interested persons. In a hearing involving a proposed modification or amendment of a license which was the subject of an earlier hearing, the Commission shall give notice thereof to all parties to the earlier proceeding and to the public as well if the determination of issues of substantial public interest is involved.
01-017 C.M.R. ch. 21, § 6